Back to products
Yamaha 405/416 Installation Kit 90-416-03K Outboard Lower Unit
Yamaha 405/416 Installation Kit 90-416-03K Outboard Lower Unit Original price was: $66.60.Current price is: $60.00.

Yamaha 90° Aftermarket Lower Unit – Replaces 150–200HP 2/4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-416

Original price was: $1,326.45.Current price is: $1,195.00.

(14 customer reviews)
Use the coupon code WELCOME5 at checkout to get 5% off on your first order

“Yamaha 90 Degree 150-200 HP Outboard Lower Unit (416) – A brand-new, high-performance lower unit replacing Yamaha 90-degree V6 2-stroke up to 200 HP and some inline 4-cylinder 4-stroke 150 HP outboard motors, ensuring quality and efficiency.”

Description

Replaces most Yamaha 90 Degree V6 2-Stroke and some inline 4 cylinder 4-Stroke engines

The paint color is Black. You can paint it to match.

Additional information
Weight 65 lbs
Dimensions 65 × 37 × 10 in
Ratio/Motor/Length

1.86:1/4Stroke/20" Shaft

,

1.86:1/4Stroke/25" Shaft

,

1.86/Two Stroke/20" Shaft

,

1.86/Two Stroke/25" Shaft

,

2.00/4Stroke/20" Shaft

,

2.00/4Stroke/25" Shaft

,

2.00/Two Stroke/20" Shaft

Brand

Brand

Yamaha

Reviews (14)
4.1
14 reviews
5
5
4
0
0

14 reviews for Yamaha 90° Aftermarket Lower Unit – Replaces 150–200HP 2/4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-416

Clear filters
  1. Kaitlin Jones

    Installed solo in 25 minutes. No leaks, no fuss. 10/10!

  2. Travis Johnson

    Eco-design—heavy-duty!

  3. Connie Hampton

    Arrived undamaged, no missing pieces. Straightforward setup.

  4. Wanda Brown MD

    The zinc-coated bolts haven’t rusted after months in brackish water. Installation was tool-free, and the unit outperforms my old OEM part. Silent, efficient, and built to last—highly recommend!

  5. Jeremy Bowen

    After a disappointing Amazon purchase, this unit restored my faith. The gears are quiet, the shifts are crisp, and the customer service is stellar. A keeper!

  6. Robert Bowen

    This unit’s seals are beefier than my old one. Installed it in 35 minutes, and it’s been leak-free for weeks. A reliable, no-nonsense upgrade!

  7. Michelle Reed MD

    This unit’s bulletproof seals banished leaks. Installed in 35 minutes, dry for months. No-nonsense reliability for serious boaters!

  8. Amanda Jensen

    All hardware included. Saved me a trip to the store!

  9. Kimberly Hays

    The anti-corrosion coating is thicker than on my old unit. After saltwater exposure, it still looks pristine. Shifts are silent, and the price is fair. 10/10!

  10. Anthony Cook

    Tested this in icy lakes and tropical waters—no issues. The stainless steel gears handle temperature swings effortlessly, and the shifts stay precise. A four-season workhorse!

  11. Morgan Wallace

    Fits like it was custom-made. Zero gaps or wobbles.

  12. George Davis

    Arrived with a thank-you note. Flawless performance—zero regrets!

  13. Nicole Alvarez

    The price had me skeptical, but this unit outperforms pricier brands. Shifts are crisp, the housing is rugged, and the splines fit perfectly. A steal for the quality!

  14. Emily Powers

    Personalized service—flawless results!

Only logged in customers who have purchased this product may leave a review.

Shipping & Delivery

Fast Delivery with FedEx

We understand that getting your products quickly is important. Our partnership with FedEx guarantees:

  • Speedy Shipping: Reliable, fast delivery to get your order to you in no time.
  • Real-Time Tracking: Stay updated with the status of your shipment every step of the way.

Secure Checkout Options

We’ve made online shopping safe and simple by offering trusted payment options:

  • Credit Cards/Debit Cards: We accept all major credit cards & Debit Cards with encrypted, secure processing to protect your sensitive data.

RELATED PRODUCTS